MS Outlook is the rich email platform to carry out the flawless email communication. It saves the Outlook user accounts with the help of Exchange Server. However, many times user has to work on emails when the Server is disconnected from the client. In that case, OST files come into play and provides accessibility of all email items at that time. But, at-times inconsistencies create OST errors that can only be fixed by an eligible OST2PST Tool.